Print the VCS url of an extension with its name

[chl0e3e]

https://github.com/gitmapd/mw-installer/blob/main/mediawiki-typer.py#L36

You will need to loop over get_exts() to see which one matches the name you give it in the function definition

[gitmapd]

Currently what ten does is cut a slice of the extensions and truncate it to 10 and then loops through them.

[chl0e3e]

this could be a function parameter which works with Typer, see #4